openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

brcmfmac: clean usb download code. 

reuse ioctl waiting method.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2012-10-22 10:36:18 -07:00 committed by John W. Linville
parent 348a130ceb
commit 1e271c9564
1 changed files with 8 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/net/wireless/brcm80211/brcmfmac/usb.c
View File

@ -42,7 +42,6 @@
#define IOCTL_RESP_TIMEOUT 2000
#define BRCMF_USB_SYNC_TIMEOUT 300 /* ms */
#define BRCMF_USB_DLIMAGE_SPINWAIT 100 /* in unit of ms */
#define BRCMF_USB_DLIMAGE_LIMIT 500 /* spinwait limit (ms) */
@ -116,10 +115,6 @@ struct brcmf_usbdev_info {
u8 *image; /* buffer for combine fw and nvram */
int image_len;
wait_queue_head_t wait;
bool waitdone;
int sync_urb_status;
struct usb_device *usbdev;
struct device *dev;
@ -131,7 +126,6 @@ struct brcmf_usbdev_info {
int ctl_urb_status;
int ctl_completed;
wait_queue_head_t ioctl_resp_wait;
wait_queue_head_t ctrl_wait;
ulong ctl_op;
struct urb *bulk_urb; /* used for FW download */
@ -754,34 +748,14 @@ static void brcmf_usb_down(struct device *dev)
brcmf_usb_free_q(&devinfo->rx_postq, true);
}
static int
brcmf_usb_sync_wait(struct brcmf_usbdev_info *devinfo, u16 time)
{
int ret;
int err = 0;
int ms = time;
ret = wait_event_interruptible_timeout(devinfo->wait,
devinfo->waitdone == true, (ms * HZ / 1000));
if ((devinfo->waitdone == false) || (devinfo->sync_urb_status)) {
brcmf_dbg(ERROR, "timeout(%d) or urb err=%d\n",
ret, devinfo->sync_urb_status);
err = -EINVAL;
}
devinfo->waitdone = false;
return err;
}
static void
brcmf_usb_sync_complete(struct urb *urb)
{
struct brcmf_usbdev_info *devinfo =
(struct brcmf_usbdev_info *)urb->context;
devinfo->waitdone = true;
wake_up_interruptible(&devinfo->wait);
devinfo->sync_urb_status = urb->status;
devinfo->ctl_completed = true;
brcmf_usb_ioctl_resp_wake(devinfo);
}
static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
@ -813,6 +787,7 @@ static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
(void *) tmpbuf, size,
(usb_complete_t)brcmf_usb_sync_complete, devinfo);
devinfo->ctl_completed = false;
ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
if (ret < 0) {
brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
@ -820,11 +795,11 @@ static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
return false;
}
ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
ret = brcmf_usb_ioctl_resp_wait(devinfo);
memcpy(buffer, tmpbuf, buflen);
kfree(tmpbuf);
return (ret == 0);
return ret;
}
static bool
@ -918,13 +893,14 @@ brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len)
devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET;
devinfo->ctl_completed = false;
ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC);
if (ret) {
brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
return ret;
}
ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
return ret;
ret = brcmf_usb_ioctl_resp_wait(devinfo);
return (ret == 0);
}
static int
@ -1284,7 +1260,6 @@ struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
goto error;
}
init_waitqueue_head(&devinfo->wait);
if (!brcmf_usb_dlneeded(devinfo))
return &devinfo->bus_pub;